libjpeg_turbo: fix static build

pkgs/development/libraries/libjpeg-turbo/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, cmake, nasm, enableStatic ? false }:
+{ stdenv, fetchurl, fetchpatch, cmake, nasm, enableStatic ? false, enableShared ? true }:
 
 stdenv.mkDerivation rec {
 
@@ -34,6 +34,7 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [
     "-DENABLE_STATIC=${if enableStatic then "1" else "0"}"
+    "-DENABLE_SHARED=${if enableShared then "1" else "0"}"
   ];
 
   doInstallCheck = true;

pkgs/top-level/static.nix

@@ -216,6 +216,10 @@ in {
   libressl = super.libressl.override {
     buildShared = false;
   };
+  libjpeg_turbo = super.libjpeg_turbo.override {
+    enableStatic = true;
+    enableShared = false;
+  };
 
   darwin = super.darwin // {
     libiconv = super.darwin.libiconv.override {